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import _isArray from './_isArray.js';import _isTransformer from './_isTransformer.js';

/** * Returns a function that dispatches with different strategies based on the * object in list position (last argument). If it is an array, executes [fn]. * Otherwise, if it has a function with one of the given method names, it will * execute that function (functor case). Otherwise, if it is a transformer, * uses transducer created by [transducerCreator] to return a new transformer * (transducer case). * Otherwise, it will default to executing [fn]. * * @private * @param {Array} methodNames properties to check for a custom implementation * @param {Function} transducerCreator transducer factory if object is transformer * @param {Function} fn default ramda implementation * @return {Function} A function that dispatches on object in list position */export default function _dispatchable(methodNames, transducerCreator, fn) {  return function() {    if (arguments.length === 0) {      return fn();    }    var obj = arguments[arguments.length - 1];    if (!_isArray(obj)) {      var idx = 0;      while (idx < methodNames.length) {        if (typeof obj[methodNames[idx]] === 'function') {          return obj[methodNames[idx]].apply(obj, Array.prototype.slice.call(arguments, 0, -1));        }        idx += 1;      }      if (_isTransformer(obj)) {        var transducer = transducerCreator.apply(null, Array.prototype.slice.call(arguments, 0, -1));        return transducer(obj);      }    }    return fn.apply(this, arguments);  };}